Sex Games for Couples (1976) aka Fantaisies pour Couples – France
Two couples are cheating with each other’s spouses before having an official wife swap.
hardcore
Official Wife Swap Parody (2010)
Couples exchange wives to live the other pair’s life, but unlike the tv show, swapping goes up to the bedroom.
Mobster’s Wife (1997)
A mob boss’ wife and his mistress cheat on him with two of his henchmen.